feat: Initial commit for OnEver Drive centralized backup system with Windows PyQt6 agent and Proxmox LXC deployment

backend/app/services/event_service.py

@@ -0,0 +1,48 @@
+import json
+from datetime import datetime, timezone
+from typing import Optional, Dict, Any
+from sqlalchemy.ext.asyncio import AsyncSession
+from app.models.models import EventLog
+from app.ws.manager import ws_manager
+
+async def log_event(
+    db: AsyncSession,
+    event_type: str,
+    message: str,
+    severity: str = "INFO",
+    client_id: Optional[int] = None,
+    job_id: Optional[int] = None,
+    user_email: Optional[str] = None,
+    ip_address: Optional[str] = None,
+    details: Optional[Dict[str, Any]] = None
+) -> EventLog:
+    """Records an audit event in the database and broadcasts it over WebSockets."""
+    details_str = json.dumps(details, default=str) if details else None
+    
+    event = EventLog(
+        timestamp=datetime.now(timezone.utc),
+        event_type=event_type,
+        severity=severity,
+        client_id=client_id,
+        job_id=job_id,
+        user_email=user_email,
+        ip_address=ip_address,
+        message=message,
+        details_json=details_str
+    )
+    db.add(event)
+    await db.commit()
+    await db.refresh(event)
+
+    # Broadcast real-time event to all Web UI connections
+    await ws_manager.broadcast("EVENT_LOG", {
+        "id": event.id,
+        "timestamp": event.timestamp.isoformat(),
+        "event_type": event.event_type,
+        "severity": event.severity,
+        "client_id": event.client_id,
+        "job_id": event.job_id,
+        "message": event.message
+    })
+
+    return event